199
FZUS51 KBOX 021703
CWFBOX
COASTAL WATERS FORECAST FOR MASSACHUSETTS AND RHODE ISLAND
NATIONAL WEATHER SERVICE BOSTON/NORTON MA
103 PM EDT SAT MAY 2 2026
COASTAL WATERS FROM THE MERRIMACK RIVER MA TO WATCH HILL RI OUT
TO 60 NM
ANZ200-030600-
103 PM EDT SAT MAY 2 2026
SYNOPSIS FOR MASSACHUSETTS AND RHODE ISLAND COASTAL WATERS
CALM CONDITIONS THROUGH THE REST OF TODAY. UNSETTLED OVER THE WATERS
AS A COASTAL LOW PRES TRACKS JUST SW OF THE 40N/70W BENCHMARK SAT
INTO SUN. HIGH PRES RETURNS OVER THE WATERS FOR MON BEFORE ANOTHER
DISTURBANCE MAY APPROACH TOWARDS THE SECOND HALF OF NEXT WEEK.
ANZ250-030600-
COASTAL WATERS EAST OF IPSWICH BAY AND THE STELLWAGEN BANK
NATIONAL MARINE SANCTUARY-
103 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT WITH GUSTS UP TO 20 KT, BECOMING NW
AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS
AND S 2 FT AT 4 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO
3 NM.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND N 3 FT AT 4 SECONDS.
PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E
5 FT AT 10 SECONDS AND NW 2 FT AT 4 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT
AT 10 SECONDS AND SW 4 FT AT 4 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND E 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 3 TO 5 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ251-030600-
MASSACHUSETTS BAY AND IPSWICH BAY-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: E 3 FT AT 9 SECONDS AND S 2 FT AT 4 SECONDS. A CHANCE OF
SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND S 2 FT AT
4 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG IN THE EVENING.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND NW 2 FT AT 4 SECONDS.
A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: E
4 FT AT 9 SECONDS AND NW 2 FT AT 3 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 3 TO 5 FT. WAVE DETAIL: E 4 FT
AT 10 SECONDS AND SW 3 FT AT 4 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 20 TO
25 KT. GUSTS UP TO 30 KT. SEAS 2 TO 3 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS AROUND
3 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
2 TO 3 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ231-030600-
CAPE COD BAY-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: E 2 FT AT 9 SECONDS AND S 1 FOOT
AT 3 SECONDS. A CHANCE OF SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: S 1 FOOT AT 2 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG. SHOWERS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT
10 SECONDS. PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE
MORNING.
SUN NIGHT
W WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE DETAIL:
NE 2 FT AT 7 SECONDS AND NW 1 FOOT AT 4 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 2 FT AT 3 SECONDS AND NE 1 FOOT
AT 5 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: S 3 FT AT 4 SECONDS AND E 1 FOOT AT 9 SECONDS.
TUE NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT.
WED
S WINDS AROUND 20 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ254-030600-
COASTAL WATERS FROM PROVINCETOWN MA TO CHATHAM MA TO NANTUCKET MA
OUT 20 NM-
103 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND S 2 FT AT 4 SECONDS. A SLIGHT
CHANCE OF SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
3 TO 4 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 2 FT AT
4 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 3 TO
5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND W 3 FT AT 5 SECONDS.
PATCHY FOG IN THE MORNING. SHOWERS IN THE MORNING WITH VSBY 1 TO
3 NM.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 5 TO 7 FT. WAVE DETAIL: E
5 FT AT 9 SECONDS AND W 2 FT AT 4 SECONDS.
MON
SW WINDS 10 TO 15 KT, INCREASING TO 15 TO 20 KT IN THE
AFTERNOON. GUSTS UP TO 25 KT. SEAS 4 TO 6 FT. WAVE DETAIL: E 5 FT
AT 9 SECONDS AND SW 4 FT AT 5 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
3 TO 5 FT. WAVE DETAIL: S 4 FT AT 5 SECONDS AND E 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO
25 KT. GUSTS UP TO 30 KT. SEAS 4 TO 6 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ255-030600-
COASTAL WATERS EXTENDING OUT TO 25 NM SOUTH OF MARTHAS VINEYARD
AND NANTUCKET-
103 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS. A CHANCE OF
SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND E
3 FT AT 9 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
SUN
NW WINDS 15 TO 20 KT. SEAS 4 TO 6 FT. WAVE DETAIL: NW 4 FT
AT 4 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG IN THE MORNING.
A CHANCE OF SHOWERS IN THE MORNING WITH VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 6 FT. WAVE DETAIL: W 4 FT AT 6 SECONDS
AND SE 4 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT
10 SECONDS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT, BECOMING S 25 TO
30 KT. SEAS 5 TO 7 FT. WAVE DETAIL: SW 7 FT AT 8 SECONDS AND E
1 FOOT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 4 TO
6 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 6 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ256-030600-
COASTAL WATERS FROM MONTAUK NY TO MARTHAS VINEYARD EXTENDING OUT
TO 20 NM SOUTH OF BLOCK ISLAND-
103 PM EDT SAT MAY 2 2026
...SMALL CRAFT ADVISORY IN EFFECT FROM SUNDAY MORNING THROUGH
MONDAY AFTERNOON...
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 3 TO 4 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS. A CHANCE OF
SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT WITH
GUSTS UP TO 20 KT AFTER MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E
3 FT AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. PATCHY FOG. SHOWERS
LIKELY, MAINLY IN THE EVENING. VSBY 1 TO 3 NM.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 3 TO
5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS AND SE 3 FT AT 9 SECONDS.
SUN NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: W 4 FT AT 5 SECONDS
AND SE 4 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS 5 TO 8 FT.
WAVE DETAIL: S 8 FT AT 8 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED AND WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT.
SEAS 5 TO 6 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ232-030600-
NANTUCKET SOUND-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 3 SECONDS AND E 1 FOOT AT 9 SECONDS. A CHANCE
OF SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
2 TO 3 FT. WAVE DETAIL: S 2 FT AT 5 SECONDS AND E 2 FT AT
8 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 TO 3 NM.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 3 SECONDS AND E 1 FOOT AT
8 SECONDS. PATCHY FOG IN THE MORNING. SHOWERS LIKELY IN THE
MORNING WITH VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 10 TO 15 KT. SEAS 2 TO 4 FT. WAVE DETAIL: W
2 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 3 FT AT 4 SECONDS AND E 2 FT AT
8 SECONDS.
TUE THROUGH WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 4 SECONDS AND E 1 FOOT AT
9 SECONDS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 4 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ233-030600-
VINEYARD SOUND-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS AROUND 2 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT 9 SECONDS. A CHANCE
OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 TO 3 NM IN THE EVENING.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: NW 2 FT AT 4 SECONDS AND SE 1 FOOT AT
9 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 3 FT. WAVE DETAIL: SW 3 FT AT 5 SECONDS AND S
2 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: S 4 FT AT 7 SECONDS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 25 TO
30 KT. SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 8 SECONDS AND E
1 FOOT AT 8 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ234-030600-
BUZZARDS BAY-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS. A CHANCE OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. SEAS
AROUND 2 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND SE 1 FOOT AT
9 SECONDS. PATCHY FOG. SHOWERS LIKELY.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS AROUND
2 FT. WAVE DETAIL: W 2 FT AT 4 SECONDS AND SE 1 FOOT AT
10 SECONDS. A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS AROUND 2 FT. WAVE DETAIL: W 2 FT AT 5 SECONDS AND
SE 1 FOOT AT 10 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND SE 1 FOOT
AT 8 SECONDS.
TUE
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 2 TO
4 FT. WAVE DETAIL: SW 4 FT AT 5 SECONDS AND S 2 FT AT 9 SECONDS.
TUE NIGHT
SW WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT. SEAS
3 TO 5 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 3 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ235-030600-
RHODE ISLAND SOUND-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: SW 2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE
OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS. PATCHY FOG. SHOWERS LIKELY. VSBY 1 TO 3 NM
IN THE EVENING.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
4 FT. WAVE DETAIL: NW 3 FT AT 3 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: W 3 FT AT 5 SECONDS AND SE
3 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 3 TO 5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 25 TO
30 KT. SEAS 4 TO 6 FT. WAVE DETAIL: S 6 FT AT 8 SECONDS AND E
3 FT AT 8 SECONDS.
WED
S WINDS AROUND 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
4 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ237-030600-
BLOCK ISLAND SOUND-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS 5 TO 10 KT. SEAS 2 TO 3 FT. WAVE
DETAIL: S 2 FT AT 5 SECONDS AND SE 2 FT AT 9 SECONDS. A CHANCE OF
SHOWERS.
TONIGHT
SW WINDS AROUND 5 KT, BECOMING NW 10 TO 15 KT AFTER
MIDNIGHT. SEAS 2 TO 3 FT. WAVE DETAIL: SW 2 FT AT 5 SECONDS AND
SE 2 FT AT 9 SECONDS. A CHANCE OF SHOWERS. PATCHY FOG IN THE
EVENING.
SUN
NW WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS 2 TO
3 FT. WAVE DETAIL: W 3 FT AT 4 SECONDS AND SE 2 FT AT 9 SECONDS.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. SEAS 2 TO 4 FT. WAVE DETAIL: SE 3 FT AT 9 SECONDS AND W
2 FT AT 4 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 2 TO 4 FT. WAVE DETAIL: SW 4 FT AT 6 SECONDS AND SE 3 FT AT
9 SECONDS.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
INCREASING TO 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO 6 FT.
WAVE DETAIL: SW 6 FT AT 7 SECONDS AND SE 3 FT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS 4 TO
5 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
3 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ230-030600-
BOSTON HARBOR-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. WAVES AROUND 2 FT. A
CHANCE OF SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
1 FOOT OR LESS. A CHANCE OF SHOWERS.
SUN
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT. A CHANCE OF SHOWERS IN THE MORNING.
SUN NIGHT
W WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE
EVENING. WAVES AROUND 2 FT.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES AROUND 2 FT.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT, BECOMING SW 20 TO
25 KT. GUSTS UP TO 30 KT. WAVES AROUND 2 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES AROUND
2 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
AROUND 2 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ236-030600-
NARRAGANSETT BAY-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS AROUND 10 KT. WAVES AROUND 2 FT. A
CHANCE OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING NW AFTER MIDNIGHT. WAVES
AROUND 2 FT. A CHANCE OF SHOWERS. PATCHY FOG IN THE EVENING.
SUN
NW WINDS 10 TO 15 KT. GUSTS UP TO 20 KT IN THE AFTERNOON.
WAVES AROUND 2 FT.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT,
DIMINISHING TO 5 TO 10 KT AFTER MIDNIGHT. WAVES AROUND 2 FT.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
WAVES 2 TO 3 FT.
TUE AND TUE NIGHT
SW WINDS 15 TO 20 KT, INCREASING TO 20 TO
25 KT. GUSTS UP TO 30 KT. WAVES 2 TO 4 FT.
WED
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. WAVES 3 TO
4 FT. A CHANCE OF SHOWERS.
WED NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. WAVES
2 TO 3 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ280-030600-
OCEAN WATERS FROM THE MERRIMACK RIVER TO PLYMOUTH FROM 40 TO
60 NM-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT.
SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND S 3 FT AT
4 SECONDS. A SLIGHT CHANCE OF SHOWERS.
TONIGHT
S WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT, BECOMING
NW 5 TO 10 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: SE
4 FT AT 9 SECONDS AND S 3 FT AT 4 SECONDS. PATCHY FOG. SHOWERS.
VSBY 1 TO 3 NM.
SUN
N WINDS 10 TO 15 KT, BECOMING NW 15 TO 20 KT IN THE
AFTERNOON. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND
NW 3 FT AT 4 SECONDS. PATCHY FOG IN THE MORNING. SHOWERS IN THE
MORNING WITH VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 7 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND NW 3 FT AT
4 SECONDS.
MON AND MON NIGHT
SW WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT.
SEAS 4 TO 6 FT. WAVE DETAIL: SW 6 FT AT 6 SECONDS AND E 5 FT AT
10 SECONDS.
TUE AND TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT,
INCREASING TO 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 5 TO 7 FT.
WAVE DETAIL: S 7 FT AT 7 SECONDS AND E 1 FOOT AT 9 SECONDS.
WED
S WINDS 25 TO 30 KT WITH GUSTS UP TO 40 KT. SEAS 4 TO
6 FT. A CHANCE OF SHOWERS.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 40 KT. SEAS
4 TO 5 FT. SHOWERS LIKELY.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ281-030600-
OCEAN WATERS FROM PROVINCETOWN TO NANTUCKET FROM 20 TO 60 NM-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND SW 2 FT AT 4 SECONDS. A SLIGHT
CHANCE OF SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N 10 TO 15 KT WITH GUSTS
UP TO 20 KT AFTER MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND SW 2 FT AT 5 SECONDS. PATCHY FOG. SHOWERS. VSBY
1 TO 3 NM, DECREASING TO 1 NM OR LESS AFTER MIDNIGHT.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: E 4 FT
AT 9 SECONDS AND NW 3 FT AT 5 SECONDS, BECOMING E 5 FT AT
9 SECONDS AND NW 4 FT AT 5 SECONDS. PATCHY FOG IN THE MORNING.
SHOWERS IN THE MORNING WITH VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 10 TO 15 KT WITH GUSTS UP TO 20 KT. SEAS
5 TO 8 FT. WAVE DETAIL: E 6 FT AT 10 SECONDS AND W 4 FT AT
6 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 6 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 5 FT AT
9 SECONDS.
TUE AND TUE NIGHT
S WINDS 15 TO 20 KT, INCREASING TO 25 TO
30 KT. SEAS 5 TO 8 FT. WAVE DETAIL: S 7 FT AT 8 SECONDS AND E
1 FOOT AT 9 SECONDS.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS AROUND
5 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 35 KT. SEAS
AROUND 5 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ282-030600-
OCEAN WATERS FROM MARTHAS VINEYARD TO NANTUCKET FROM 25 TO 60 NM-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS 4 TO 5 FT. WAVE
DETAIL: E 4 FT AT 9 SECONDS AND SW 3 FT AT 5 SECONDS. A CHANCE OF
SHOWERS.
TONIGHT
S WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 4 TO 5 FT. WAVE DETAIL: E 4 FT AT 9 SECONDS AND SW
3 FT AT 5 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 5 TO
7 FT. WAVE DETAIL: W 5 FT AT 6 SECONDS AND SE 5 FT AT 9 SECONDS.
PATCHY FOG IN THE MORNING. A CHANCE OF SHOWERS IN THE MORNING
WITH VSBY 1 TO 3 NM.
SUN NIGHT
W WINDS 15 TO 20 KT, DIMINISHING TO 10 TO 15 KT
AFTER MIDNIGHT. GUSTS UP TO 25 KT. SEAS 5 TO 8 FT. WAVE DETAIL: W
5 FT AT 6 SECONDS AND E 5 FT AT 9 SECONDS.
MON AND MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT.
SEAS 5 TO 7 FT. WAVE DETAIL: SW 6 FT AT 7 SECONDS AND E 5 FT AT
10 SECONDS.
TUE
S WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 6 TO
9 FT. WAVE DETAIL: SW 8 FT AT 7 SECONDS AND E 2 FT AT 9 SECONDS.
TUE NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 8 FT.
WED
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS 5 TO
6 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 6 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
ANZ283-030600-
OCEAN WATERS FROM MONTAUK NY TO MARTHAS VINEYARD FROM 25 TO 60 NM-
103 PM EDT SAT MAY 2 2026
THIS AFTERNOON
S WINDS 10 TO 15 KT. SEAS AROUND 4 FT. WAVE
DETAIL: SW 3 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS. PATCHY FOG.
A CHANCE OF SHOWERS.
TONIGHT
SW WINDS 5 TO 10 KT, BECOMING N 15 TO 20 KT AFTER
MIDNIGHT. SEAS 3 TO 4 FT. WAVE DETAIL: E 3 FT AT 9 SECONDS AND SW
2 FT AT 5 SECONDS. PATCHY FOG. SHOWERS. VSBY 1 NM OR LESS,
INCREASING TO 1 TO 3 NM AFTER MIDNIGHT.
SUN
NW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT, BUILDING TO 5 TO 7 FT IN THE AFTERNOON. WAVE DETAIL: NW
4 FT AT 5 SECONDS AND E 3 FT AT 9 SECONDS, BECOMING W 5 FT AT
5 SECONDS AND E 4 FT AT 9 SECONDS.
SUN NIGHT
W WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT,
DIMINISHING TO 10 TO 15 KT AFTER MIDNIGHT. SEAS 5 TO 7 FT. WAVE
DETAIL: W 5 FT AT 5 SECONDS AND SE 4 FT AT 9 SECONDS.
MON
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS 4 TO
5 FT. WAVE DETAIL: SW 5 FT AT 6 SECONDS AND E 4 FT AT 9 SECONDS.
MON NIGHT
SW WINDS 15 TO 20 KT WITH GUSTS UP TO 25 KT. SEAS
5 TO 6 FT, BUILDING TO 6 TO 8 FT AFTER MIDNIGHT. WAVE DETAIL: SW
5 FT AT 7 SECONDS AND E 3 FT AT 9 SECONDS, BECOMING SW 6 FT AT
7 SECONDS AND E 2 FT AT 9 SECONDS.
TUE THROUGH WED
S WINDS 25 TO 30 KT WITH GUSTS UP TO 35 KT.
SEAS 6 TO 9 FT.
WED NIGHT
S WINDS 20 TO 25 KT WITH GUSTS UP TO 30 KT. SEAS
5 TO 7 FT. A CHANCE OF SHOWERS.
SEAS ARE REPORTED AS SIGNIFICANT WAVE HEIGHT, WHICH IS THE
AVERAGE OF THE HIGHEST THIRD OF THE WAVES. INDIVIDUAL WAVE
HEIGHTS MAY BE MORE THAN TWICE THE SIGNIFICANT WAVE HEIGHT.
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